Broan RDH J-Can Housing with Radiation Damper - 4 packs
- Housings and finishes (motor
assembly and grille) sold separately in units of four per carton - purchase
housings for rough-in and blower assemblies/grilles later for finishing.
- UL classified (UL standard
555C) for use in 1-, 2-, or 3-hour fire-rated floor-ceiling and roof-ceiling
- Warnock Hersey Listing allows
use in combustible ceilings with ducted fans.
- High temperature, non-asbestos,
reinforced fiber thermal fabric.
- Galvanized steel frame.
- 165°F fusible link.
- Stainless steel negator-type
- Radiation damper comes attached
- Blower assembly will fit into
housing without the removal of the radiation damper - one less step in
Many local codes require that
exhaust fans installed in fire-rated ceilings must be protected by dampers,
which, in case of fire, protect against the spread of heat and flame. Being
fire-rated means the ability of a wall, floor/ceiling, or roof/ceiling to
withstand the effects of fire for a specified period of time. Broan ceiling
radiation dampers are designed to protect the openings in 1-, 2-, or 3-hour
fire-rated floor-ceiling and roof-ceiling designs. When the temperature of the
air passing through the damper exceeds 165°F, the fusible link melts and the
thermal fabric across the damper closes automatically to interrupt the airflow
by becoming a flame and heat barrier, preventing rapid spread of fire to other
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